They are part of old English measurements.
Pecks are an old English measurement for dry mass ie flour or grain or Liquid. It is equivalent to 8 quarts . The American peck is slightly different due to the difference in quarts size in comparison to the imperial quart. Look at PECK in the Encyclopedia Britannica online for a full write up
Pecks are units of volume, metric tons are units of mass, they can't be compared directly. We should know a density of items in pecks to calculate mass of 1 peck and then compare it to metric tons.
Bushels are a unit of measurement in the English system, not the metric system.
There are four pecks to the bushel. You can do the rest. Pkkao says that the answer is 12.
Metric to English conversion is a good thing to practice.
English: pound. Metric: kilogram.
metric
A meter is metric.
the 2 kinds of mesurement are english-metric & metric-english
The english system is the metric system. There is no difference.
English
The teaspoon measurement is commonly used in both the metric and English systems. In the metric system, a teaspoon is equivalent to 5 milliliters, while in the English system it is equal to about 4.9 milliliters.
The bird pecks the egg.